获取URL的信息

601879456

package test;
import java.net.URL;
import java.net.HttpURLConnection;
import java.net.URLConnection;
import java.util.Date;
/**
* URL测试程序
* @author 静止的流水
*
*/
public class GetUrlInfor
{
private static String url;
/**
  * 构造函数
  * @param s
  */
public GetUrlInfor(String s)
{
  url = s;
}
/**
  * 单行打印
  * @param s
  */
private static void print(String s)
{
  System.out.println(s);
}
/**
  * 打印函数
  * @throws Exception
  */
public void printinfor()throws Exception
{
  URL urlnew = new URL(url);
  print("协议 = "+urlnew.getProtocol());
  print("主机地址 = "+urlnew.getHost());
  print("文件名 = "+urlnew.getFile());
  print("端口 = "+urlnew.getPort());
  
  URLConnection newconnection = urlnew.openConnection();
  newconnection.connect();
  
  print(newconnection.getContentEncoding());
  print(newconnection.getContentType());
  print(String.valueOf((newconnection.getContentLength())));
  print(newconnection.getContent().toString());
  print(new Date(newconnection.getLastModified()).toString());
  
  if(newconnection instanceof HttpURLConnection)
  {
   HttpURLConnection h = (HttpURLConnection) newconnection;
   print(h.getRequestMethod());
   print(h.getResponseMessage());
   print(String.valueOf(h.getResponseCode()));

  }
}
/**
  * 主函数
  * @param args
  * @throws Exception
  */
public static void main(String[] args)throws Exception
{
  String url = "http://www.pcworld.com.cn/features/1/2007/0726/1940.shtml";
  GetUrlInfor geturlinfor = new GetUrlInfor(url);
  geturlinfor.printinfor();
}

}


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